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Changes

https://alltaxbooks.com
Compared to previous audit · 19 hours ago View previous audit

Madrid, Spain → Santa Clara, United States

These audits ran from different locations. Timing metrics (TTFB, DNS, TLS) may reflect network path differences rather than site changes.

1
New issues
4
Resolved
13
score changes
CategoryPreviousCurrentChange
CompositeA (95)A (95)—
PerformanceA (95)A (96) +1.000
SecurityA+ (98)A+ (98)—
AccessibilityA (95)A (95)—
SEOA+ (98)A+ (98)—
InfrastructureB (87)A (92) +5.000
ComplianceB (88)B (88)—
ContentA (96)A (96)—
SustainabilityA (95)A (95)—
MetricPreviousCurrentChange
Performance 950010000 +500
Accessibility 1000010000—
Best Practices 92009200—
SEO 1000010000—
PWA 00—
Desktop Performance 1000010000—
Desktop Accessibility 1000010000—
Desktop Best Practices 92009200—
Desktop SEO 1000010000—
FCP 1.10 s1.32 s +221 ms
LCP 1.58 s1.57 s -18 ms
TBT 248 ms22 ms -226 ms
CLS 0.0000.000—
Desktop FCP 276 ms449 ms +172 ms
Desktop LCP 452 ms541 ms +88 ms
Desktop TBT 0 ms0 ms—
Desktop CLS 0.0000.000—
TTFB †813 ms953 ms +141 ms
DNS †19 ms46 ms +27 ms
TLS †76 ms300 ms +224 ms
Connect †4 ms29 ms +24 ms
Total †862 ms955 ms +92 ms

† Timing metrics may vary by worker location and do not necessarily indicate site changes.

WARNING https://alltaxbooks.com/: 304ms CPU time performance
WARNING https://alltaxbooks.com/: 571ms CPU time performance
WARNING Unattributable: 480ms CPU time performance
WARNING https://alltaxbooks.com/atb-site.min.js?v=20260927...: 444ms CPU time performance
WARNING IPv6 DNS records exist but server is not reachable infrastructure
WARNING 2 link(s) open in new tab without warning accessibility
WARNING Registrar lock is NOT enabled infrastructure
WARNING 1 images missing explicit width/height content
x-nf-request-id
01M3MGRGAX0T9CAJPZ9HH9VA1W → 01M3PM5RCVB0VHNSVN90Q0X2W2

22 headers unchanged

Technology stack unchanged

8 technologies unchanged

Looking ahead

+3 pts
A (95) Could reach A+ (98)
Accessibility +4Content +4Infrastructure +4Performance +4

Estimate — actual results may vary (4 issues to fix)

Website improvement report — Alltaxbooks

September 28, 2026 → September 29, 2026

A A 95 → 95 0 pts

4

Resolved

1

New issues

3

Still remaining

Financial summary

Investment delivered

$100 in development time

Investment remaining

$158 to complete the remaining items

Ongoing risk

$0/month in ongoing exposure

Figures are estimates based on local developer hourly rate, industry CPC, and regulatory fine ranges.

Performance by category

MetricBeforeAfterChange
Overall score95 (A)95 (A)0
Performance95 (A)96 (A)+1
Security98 (A+)98 (A+)0
Accessibility95 (A)95 (A)0
SEO98 (A+)98 (A+)0
Infrastructure87 (B)92 (A)+5
Compliance88 (B)88 (B)0
Content96 (A)96 (A)0
Sustainability95 (A)95 (A)0

Resolved (4)

  • https://alltaxbooks.com/: 571ms CPU time (Performance)

    → Page loads faster for users

  • Unattributable: 480ms CPU time (Performance)

    → Page loads faster for users

  • https://alltaxbooks.com/atb-site.min.js?v=20260927...: 444ms CPU time (Performance)

    → Page loads faster for users

  • IPv6 DNS records exist but server is not reachable (Infrastructure)

    → More reliable delivery

Recommended next steps (4)

  • Sprint 1

    https://alltaxbooks.com/: 304ms CPU time (Performance)

  • Sprint 1

    2 link(s) open in new tab without warning (Accessibility)

  • Sprint 1

    Registrar lock is NOT enabled (Infrastructure)

  • Sprint 1

    1 images missing explicit width/height (Content)

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